package com.java8feature.java8action.chapter14;

/**
 * @Description:
 * @Author: yangzhiwei
 * @Date: 2021/6/11 16:05
 */
public interface DoubleUnaryOperator {
    //DoubleUnaryOperator customerDoubleOperator(double x);

    DoubleUnaryOperator customerDoubleOperator(double x, double y);
}
